From: Vignesh Raghavendra <vigneshr@ti.com>
To: Aswath Govindraju <a-govindraju@ti.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] arm64: dts: ti: k3-am642-evm: Add support for SPI EEPROM
Date: Tue, 9 Mar 2021 20:18:24 +0530 [thread overview]
Message-ID: <c06a39c5-88eb-1e6d-4ae2-796981db1e71@ti.com> (raw)
In-Reply-To: <20210301060518.19550-1-a-govindraju@ti.com>
On 3/1/21 11:35 AM, Aswath Govindraju wrote:
> Add pinmux details and device tree node for the EEPROM attached to SPI0
> module in main domain.
>
> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
> ---
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Regards
Vignesh
>
> This patch depends on,
> https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210301055109.17626-3-a-govindraju@ti.com/
>
> arch/arm64/boot/dts/ti/k3-am642-evm.dts | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> index bfd849a29655..bc5bd7f896ab 100644
> --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> @@ -139,6 +139,15 @@
> AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
> >;
> };
> +
> + main_spi0_pins_default: main-spi0-pins-default {
> + pinctrl-single,pins = <
> + AM64X_IOPAD(0x0210, PIN_INPUT, 0) /* (D13) SPI0_CLK */
> + AM64X_IOPAD(0x0208, PIN_OUTPUT, 0) /* (D12) SPI0_CS0 */
> + AM64X_IOPAD(0x0214, PIN_OUTPUT, 0) /* (A13) SPI0_D0 */
> + AM64X_IOPAD(0x0218, PIN_INPUT, 0) /* (A14) SPI0_D1 */
> + >;
> + };
> };
>
> &main_uart0 {
> @@ -245,6 +254,19 @@
> pinctrl-0 = <&main_usb0_pins_default>;
> };
>
> +&main_spi0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_spi0_pins_default>;
> + ti,pindir-d0-out-d1-in = <1>;
> + eeprom@0 {
> + compatible = "microchip,93lc46b";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + spi-cs-high;
> + data-size = <16>;
> + };
> +};
> +
> &sdhci0 {
> /* emmc */
> bus-width = <8>;
>
next prev parent reply other threads:[~2021-03-09 14:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-01 6:05 [PATCH] arm64: dts: ti: k3-am642-evm: Add support for SPI EEPROM Aswath Govindraju
2021-03-09 14:48 ` Vignesh Raghavendra [this message]
2021-03-09 14:54 ` Nishanth Menon
2021-03-09 15:25 ` Aswath Govindraju
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